RS81 – Spring Hinge

Residential Weight: 3.5″ or 4″

PBB, Inc. template hinges are manufactured to close tolerances and meet all specifications and requirements set by the American National Standards Institute (ANSI).

Spring hinge door closer Model K8107 passed a 250,000 cycle UL test in accordance with Underwriters Laboratories for door closers, with or without integral smoke detectors.

• All hinges are ANSI template. 4” available in square and in 1/4” & 5/8” radius round corners.

• UL LISTED FOR FIRE DOORS

Installation Instructions:

1. Install hinge with adjustment pin up.

2. Close door to adjust spring.

3. Turn adjustment pin 1/4 turn clockwise for each tension setting. Adjust one position at a time until proper tension is obtained. Roll pin is inserted approximately half way at each position to test tension. When testing tension, do not open door more than 90º

4. When proper tension is obtained, insert roll pin completely.

Caution:

• For 180º opening, two positions maximum tension.
• For 90º, three positions maximum tension.

5. Use of gasket for smoke or sound protection, wind condition or unbalanced air pressure may prevent door from latching. Additional closing power would be required. See installation instruction sheet.

HINGE SWAGING: A standard swaging of our standard weight full mortise hinge when closed to parallel position provides a 1/16” clearance between leaves.

RS81 – 4″

Maximum Door Size
For labeled doors 3’ x 7’ the maximum door size is based on the limits set forth by NFPA Standard #80. Labeled doors require Ball Bearing hinges.

For non-labeled doors 4’0” wide 4” x 4” Spring hinges are not recommended. For non-labeled doors over 7’6” in height, use an additional hinge for each additional 30” of height or fraction thereof.